What is mechanical weathering?

a. the buildup of rock formations over time.

b. the breakdown of rock through mechanical disintegration and physical stress.

c. the buildup of chemical deposits on the surface.

d. the breakdown of rock through decomposition of chemicals.

Which are observations about the tree on the right ,? check all that apply

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

What is the most appropriate method of gaining weight (muscle mass)